Casting Parts

Custom Metal Casting Parts & OEM Foundry Components

Precision metal castings engineered and produced to exact customer drawings for industrial machinery, fluid control systems, and heavy equipment. Manufactured through controlled melting, pouring, and thermal processing with complete metallurgical traceability.

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Product Categories

Investment Castings (Lost-Wax)

Complex-geometry parts, thin-walled components, and high-precision stainless steel and alloy steel castings requiring minimal machining.

Sand Castings

Large structural components, heavy machine frames, housings, and low-to-medium volume parts produced in gray iron, ductile iron, and steel.

Die Castings

High-volume, lightweight aluminum and zinc alloy components featuring thin walls and tight dimensional repeatability.

Valve & Pump Castings

Body shells, impellers, bonduets, and covers produced from corrosion-resistant stainless steel and bronze alloys.

Materials & Specifications

Parameter	Specifications & Compliance
Iron Alloys	Gray Iron (ASTM A48 Class 25-45), Ductile Iron (ASTM A536 65-45-12, 80-55-06)
Steel & Stainless Steel	Carbon Steel (WCB, WCC), Stainless Steel (304, 316, 316L, 17-4PH), Alloy Steel (4140, 8620)
Non-Ferrous Alloys	Aluminum Alloys (A356, A380), Copper / Bronze Alloys (C93200, C83600)
Casting Tolerances	Investment casting tolerances per ISO 8062-DCTG4 to DCTG6; Sand casting tolerances per ISO 8062-CT9 to CT11
Testing & Standards	Material mill test certificates, chemical composition analysis via spectrometer, mechanical property test bars

Manufacturing Capabilities

Pattern & Tooling Development: 3D CAD analysis and simulation software optimize gating and riser systems to prevent shrinkage and internal defects prior to tooling creation.

Shell Mold & Investment Lines: Controlled wax injection, ceramic shell building, and gravity pouring lines maintain dimensional stability.

Heat Treatment Facilities: Internal annealing, normalizing, quenching, and tempering processes relieve residual stress and achieve target mechanical hardness.

In-House CNC Machining: Multi-axis CNC milling and boring centers finish critical mounting faces, bearing bores, and sealing surfaces to drawing specifications.

Quality Control

Spectrometer Analysis

Direct-reading spectrometers verify chemical element composition of molten metal prior to each pour.

Non-Destructive Testing (NDT)

Ultrasonic testing (UT), magnetic particle inspection (MPI), and X-ray examination check for internal subsurface defects.

Dimensional Inspection

Coordinate Measuring Machines (CMM) and large-scale optical scanners verify complex casting geometries against 3D CAD data.

Mechanical Property Testing

Tensile strength, yield strength, elongation, and Brinell/Rockwell hardness testing performed on cast test bars.

OEM & Customization

Build-to-Print Production

Manufacturing executed strictly to customer-supplied 2D drawings, 3D STEP/IGES models, and material standard specifications.

Engineering DFM Review

Foundry engineers evaluate draft angles, wall thickness transitions, and machining allowances to optimize casting soundness and cost.

Prototyping & Sample Runs

Rapid sample casting and trial tooling validation before transitioning to mass production runs.

IP Data Security

Secure handling of client drawings, proprietary tooling designs, and engineering files.

Applications

Fluid & Flow Control

Valve bodies, ball valve housings, pump casings, and pipe elbows operating under pressure.

Agricultural & Heavy Machinery

Tractor brackets, differential housings, hitch components, and excavator structural links.

Automotive & Commercial Vehicles

Turbocharger housings, steering knuckles, brake calipers, and transmission covers.

Power & Energy

Wind turbine mechanical brackets, generator housing covers, and electrical enclosure parts.

Packaging & Supply

Protective Coating & Rust Prevention

Cast iron and carbon steel surfaces treated with anti-rust oil, primer painting, or powder coating prior to shipment.

Export-Grade Packaging

Heavy-duty wooden crates, reinforced pallet collars, and steel strapping designed to secure heavy castings during international freight.

Flexible Delivery Schedules

Support for scheduled blanket orders, buffer stock management, and ocean/air freight alignment with project milestones.

Our Factory

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FAQ

Q: What documentation is supplied with metal casting shipments?

A: Each shipment includes a Material Test Report (MTR) covering chemical composition and mechanical properties, alongside dimensional inspection reports. NDT test reports (UT, MPI, or X-ray) are provided when specified in the purchase order.

Q: How do you prevent internal casting defects such as shrinkage or porosity?

A: We utilize computer-aided casting simulation software during the engineering review stage to analyze solidification behavior, optimize gating and riser placement, and control pouring temperatures.

Q: What is the minimum order quantity (MOQ) for custom metal castings?

A: MOQs vary depending on the casting process and part size. For investment casting and sand casting, pilot runs or prototype quantities can be accommodated, while die casting typically requires higher volume thresholds to amortize tooling costs.

Q: Can you supply castings fully machined and ready for assembly?

A: Yes. We operate integrated CNC machining centers alongside our foundry operations, allowing us to deliver fully machined, deburred, and cleaned components ready for direct assembly.

Q: What file formats do you accept for engineering evaluation and RFQ processing?

A: We accept 3D CAD formats including STEP, IGES, Parasolid, and SolidWorks files, alongside 2D PDF engineering drawings specifying material grades, tolerances, and inspection requirements.

Q: How long does it take to develop new tooling and produce initial casting samples?

A: Tooling fabrication and initial sample production typically require 25 to 40 calendar days, depending on part geometry complexity, casting process type, and pattern construction requirements.

Request for Quotation

Ready to source custom metal castings? Submit your project files to our engineering team for a technical and commercial evaluation.
Upload Technical Files: Attach 2D manufacturing drawings and 3D CAD models (STEP/IGES) with tolerance notes.
Specify Material Grade: Indicate required metal standards (e.g., ASTM A536 65-45-12, Stainless Steel 316, A356 Aluminum).
Condition & Finish: State whether parts are required as raw castings, rough machined, or finished machined, along with surface treatment needs.
Volume Requirements: Provide estimated annual usage (EAU) and pilot sample batch quantities.

We're well-known as one of the leading casting parts manufacturers and suppliers in China, also support customized service. We warmly welcome you to buy high quality casting parts made in China here from our factory. If you have any enquiry about cooperation, please feel free to email us.

High Speed Stirrer Blade, Crankarms, Cast Connecting Rod